{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["vehicle", "location", "biology", "event", "media", "organization"], "input": "The previous record had been set by the Great Comet of 1811 , which was visible to the naked eye for about 9 months ."}
{"vehicle": [], "location": [], "biology": [], "event": [], "media": [], "organization": []}